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5222281 = 172771109
BaseRepresentation
bin10011111010111110001001
3100211022121211
4103322332021
52314103111
6303533121
762250211
oct23727611
910738554
105222281
112a47639
1218ba1a1
13110b00c
1499d241
156d2521
hex4faf89

5222281 has 8 divisors (see below), whose sum is σ = 5554440. Its totient is φ = 4892928.

The previous prime is 5222251. The next prime is 5222297. The reversal of 5222281 is 1822225.

It can be written as a sum of positive squares in 4 ways, for example, as 5625 + 5216656 = 75^2 + 2284^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5222281 - 27 = 5222153 is a prime.

It is a super-2 number, since 2×52222812 = 54544437685922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5222251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4155 + ... + 5263.

It is an arithmetic number, because the mean of its divisors is an integer number (694305).

Almost surely, 25222281 is an apocalyptic number.

It is an amenable number.

5222281 is a deficient number, since it is larger than the sum of its proper divisors (332159).

5222281 is a wasteful number, since it uses less digits than its factorization.

5222281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403.

The product of its digits is 640, while the sum is 22.

The square root of 5222281 is about 2285.2310605276. The cubic root of 5222281 is about 173.4949130218.

The spelling of 5222281 in words is "five million, two hundred twenty-two thousand, two hundred eighty-one".

Divisors: 1 17 277 1109 4709 18853 307193 5222281